Key result
Combining erythrocyte salt sensitivity and osmotic fragility predicts CSVD with ~0.82 AUC.
Why the study?
Increased dietary salt likely affects cerebral small vessel disease progression, justifying investigation of sodium homeostasis disturbances and clarifying the role of salt sensitivity and osmotic fragility in its development.
Do erythrocyte salt sensitivity and osmotic fragility predict the development of cerebral small vessel disease?
Case-Control (n=92)
Do erythrocyte salt sensitivity and osmotic fragility predict the development of cerebral small vessel disease?
Increased erythrocyte salt sensitivity and osmotic fragility are associated with white matter hyperintensities and may serve as predictive biomarkers for cerebral small vessel disease.
Answers are grounded in this paper and cite their sources.
Erythrocyte salt sensitivity and osmotic fragility testing may stratify CSVD risk; leaves open whether these measures warrant clinical adoption or targeted interventions.
Increased salt intake in food probably affects the progression of cerebral small vessel disease (CSVD), which justifies the study of disturbances in sodium homeostasis associated with the development of CSVD. We aimed to clarify the role of salt sensitivity and osmotic fragility in the development of CSVD. Erythrocyte salt sensitivity was measured using the modified salt blood test, and osmotic fragility was measured using the classic osmotic fragility test in 73 patients with CSVD (48 women; 60.1 ± 6.5 years) and 19 healthy volunteers (14 women; 56.9 ± 6.4 years). Salt sensitivity and osmotic fragility exhibited a predictive value in relation to CSVD. These parameters were associated with an increase in white matter hyperintensities (p = 0.019 and 0.004, respectively). Their simultaneous use increased their predictive ability for CSVD (p < 0.000001; AUC (95% CI), 0.824 (0.724–0.923)). The possibility of predicting CSVD using erythrocyte salt sensitivity and osmotic fragility indicates the value of the individual glycocalyx buffer capacity in relation to sodium and the activity of sodium channels in the development of CSVD. Increased salt sensitivity and osmotic fragility seem to be risk factors for CSVD.
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Добрынина et al. (2020) conducted a case-control in Cerebral small vessel disease (CSVD) (n=92). Erythrocyte salt sensitivity and osmotic fragility vs. Healthy volunteers was evaluated on Predictive ability for CSVD (AUC 0.824, 95% CI 0.724-0.923, p=<0.000001). Simultaneous use of erythrocyte salt sensitivity and osmotic fragility significantly predicted the presence of cerebral small vessel disease (AUC 0.824; 95% CI 0.724-0.923; p<0.000001).
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